package com.example.networktest;

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

import android.util.Log;

public class ContentHandler extends DefaultHandler {

	private String nodeName;

	private StringBuilder id;

	private StringBuilder name;

	private StringBuilder version;

	@Override
	public void startDocument() throws SAXException {
		id = new StringBuilder();
		name = new StringBuilder();
		version = new StringBuilder();
	}

	@Override
	public void startElement(String uri, String localName, String qName, Attributes attributes)
			throws SAXException {
		// 记录当前结点名
		nodeName = localName;
	}

	@Override
	public void characters(char[] ch, int start, int length) throws SAXException {
		// 根据当前的结点名判断将内容添加到哪一个StringBuilder对象中
		if ("id".equals(nodeName)) {
			id.append(ch, start, length);
		} else if ("name".equals(nodeName)) {
			name.append(ch, start, length);
		} else if ("version".equals(nodeName)) {
			version.append(ch, start, length);
		}
	}

	@Override
	public void endElement(String uri, String localName, String qName) throws SAXException {
		if ("app".equals(localName)) {
			Log.d("ContentHandler", "id is " + id.toString().trim());
			Log.d("ContentHandler", "name is " + name.toString().trim());
			Log.d("ContentHandler", "version is " + version.toString().trim());
			id.setLength(0);
			name.setLength(0);
			version.setLength(0);
		}
	}

	@Override
	public void endDocument() throws SAXException {
	}

}
